Relationship between Compost Stability and Extractable Organic Carbon

ABSTRACT Establishing a simple yet reliable compost stability test is essential for a better compost quality control and utilization efficiency. The objective of this study was to examine the relationship between extractable organic carbon (OC) and compost stability based on 18 compost samples from...

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Bibliographic Details
Published in:Journal of environmental quality 2002-07, Vol.31 (4), p.1323-1328
Main Authors: Wu, L., Ma, L.Q.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Carbon - chemistry
Carbon - isolation & purification
Carbon Dioxide - analysis
Conservation of Natural Resources
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Humic Substances - chemistry
Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
Sodium Hydroxide - analysis
Soil Pollutants - analysis
Soil-plant relationships. Soil fertility. Fertilization. Amendments
Volatilization
Water
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Summary:ABSTRACT Establishing a simple yet reliable compost stability test is essential for a better compost quality control and utilization efficiency. The objective of this study was to examine the relationship between extractable organic carbon (OC) and compost stability based on 18 compost samples from five composting facilities. The compost samples were extracted sequentially with water for 2 h [water(2h)] and 0.1 M NaOH for 2 and 24 h [NaOH(2h) and NaOH(24h), respectively]. The extractable OC was further separated into fulvic acid (FA) and humic acid (HA) fractions by adjusting the pH to
ISSN:0047-2425
1537-2537
DOI:10.2134/jeq2002.1323